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<FONT color="green">001</FONT>    package metaface.interaction;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    /**<a name="line.4"></a>
<FONT color="green">005</FONT>     *  This class keeps a list of the best matching DMTL states to a user's<a name="line.5"></a>
<FONT color="green">006</FONT>     *  stimulus<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     *@author     Simon Beard <a name="line.8"></a>
<FONT color="green">009</FONT>     *@version    1.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *@see        InteractionManager<a name="line.10"></a>
<FONT color="green">011</FONT>     */<a name="line.11"></a>
<FONT color="green">012</FONT>    public class BestList extends java.lang.Object {<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>            /**<a name="line.14"></a>
<FONT color="green">015</FONT>             *  The actual list of states and associated information<a name="line.15"></a>
<FONT color="green">016</FONT>             */<a name="line.16"></a>
<FONT color="green">017</FONT>            private Vector bestlist;<a name="line.17"></a>
<FONT color="green">018</FONT>            /**<a name="line.18"></a>
<FONT color="green">019</FONT>             *  The minimum score for a relevant match<a name="line.19"></a>
<FONT color="green">020</FONT>             */<a name="line.20"></a>
<FONT color="green">021</FONT>            public static float MinimumScore = 0f;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>            /**<a name="line.24"></a>
<FONT color="green">025</FONT>             *  Creates new empty BestList<a name="line.25"></a>
<FONT color="green">026</FONT>             */<a name="line.26"></a>
<FONT color="green">027</FONT>            public BestList() {<a name="line.27"></a>
<FONT color="green">028</FONT>                    bestlist = new Vector();<a name="line.28"></a>
<FONT color="green">029</FONT>            }<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>            /**<a name="line.32"></a>
<FONT color="green">033</FONT>             *  Adds a new entry to the BestList vector<a name="line.33"></a>
<FONT color="green">034</FONT>             *<a name="line.34"></a>
<FONT color="green">035</FONT>             *@param  score           The score associated with matching the user's<a name="line.35"></a>
<FONT color="green">036</FONT>             *      stimulus<a name="line.36"></a>
<FONT color="green">037</FONT>             *@param  statereference  The full path to the DMTL state<a name="line.37"></a>
<FONT color="green">038</FONT>             *@param  nextstates      Description of the Parameter<a name="line.38"></a>
<FONT color="green">039</FONT>             */<a name="line.39"></a>
<FONT color="green">040</FONT>            public void add(float score, Stack statereference, Vector nextstates) {<a name="line.40"></a>
<FONT color="green">041</FONT>                    int i;<a name="line.41"></a>
<FONT color="green">042</FONT>                    boolean inserted;<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>                    // Insert into BestList vector according to score<a name="line.44"></a>
<FONT color="green">045</FONT>                    if (bestlist.size() == 0) {<a name="line.45"></a>
<FONT color="green">046</FONT>                            bestlist.add(new BestListItem(score, statereference, nextstates));<a name="line.46"></a>
<FONT color="green">047</FONT>                    } else if (score >= ((BestListItem) (bestlist.elementAt(0))).getScore()) {<a name="line.47"></a>
<FONT color="green">048</FONT>                            bestlist.insertElementAt(new BestListItem(score, statereference, nextstates), 0);<a name="line.48"></a>
<FONT color="green">049</FONT>                    } else {<a name="line.49"></a>
<FONT color="green">050</FONT>                            inserted = false;<a name="line.50"></a>
<FONT color="green">051</FONT>                            for (i = 0; i &lt; bestlist.size() - 1; i++) {<a name="line.51"></a>
<FONT color="green">052</FONT>                                    if ((score &lt;= ((BestListItem) (bestlist.elementAt(i))).getScore()) &&<a name="line.52"></a>
<FONT color="green">053</FONT>                                                    (score >= ((BestListItem) (bestlist.elementAt(i + 1))).getScore())) {<a name="line.53"></a>
<FONT color="green">054</FONT>                                            bestlist.insertElementAt(new BestListItem(score, statereference, nextstates), i + 1);<a name="line.54"></a>
<FONT color="green">055</FONT>                                            inserted = true;<a name="line.55"></a>
<FONT color="green">056</FONT>                                            i = bestlist.size();<a name="line.56"></a>
<FONT color="green">057</FONT>                                    }<a name="line.57"></a>
<FONT color="green">058</FONT>                            }<a name="line.58"></a>
<FONT color="green">059</FONT>                            if (!inserted) {<a name="line.59"></a>
<FONT color="green">060</FONT>                                    bestlist.add(new BestListItem(score, statereference, nextstates));<a name="line.60"></a>
<FONT color="green">061</FONT>                            }<a name="line.61"></a>
<FONT color="green">062</FONT>                    }<a name="line.62"></a>
<FONT color="green">063</FONT>            }<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>            /**<a name="line.66"></a>
<FONT color="green">067</FONT>             *  The size of the BestList vector<a name="line.67"></a>
<FONT color="green">068</FONT>             *<a name="line.68"></a>
<FONT color="green">069</FONT>             *@return    The size of the BestList vector<a name="line.69"></a>
<FONT color="green">070</FONT>             */<a name="line.70"></a>
<FONT color="green">071</FONT>            public int size() {<a name="line.71"></a>
<FONT color="green">072</FONT>                    return (bestlist.size());<a name="line.72"></a>
<FONT color="green">073</FONT>            }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>            /**<a name="line.76"></a>
<FONT color="green">077</FONT>             *  Description of the Method<a name="line.77"></a>
<FONT color="green">078</FONT>             */<a name="line.78"></a>
<FONT color="green">079</FONT>            public void reset() {<a name="line.79"></a>
<FONT color="green">080</FONT>                    bestlist.clear();<a name="line.80"></a>
<FONT color="green">081</FONT>            }<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>            /**<a name="line.84"></a>
<FONT color="green">085</FONT>             *  Get the state reference (full path) of an element of the BestList vector<a name="line.85"></a>
<FONT color="green">086</FONT>             *<a name="line.86"></a>
<FONT color="green">087</FONT>             *@param  i  Description of the Parameter<a name="line.87"></a>
<FONT color="green">088</FONT>             *@return    The state reference (full path) of an element of the BestList<a name="line.88"></a>
<FONT color="green">089</FONT>             *      vector<a name="line.89"></a>
<FONT color="green">090</FONT>             */<a name="line.90"></a>
<FONT color="green">091</FONT>            public Stack getReferenceAt(int i) {<a name="line.91"></a>
<FONT color="green">092</FONT>                    if (i > bestlist.size() - 1) {<a name="line.92"></a>
<FONT color="green">093</FONT>                            return (null);<a name="line.93"></a>
<FONT color="green">094</FONT>                    }<a name="line.94"></a>
<FONT color="green">095</FONT>                    return (((BestListItem) (bestlist.elementAt(i))).getStateReference());<a name="line.95"></a>
<FONT color="green">096</FONT>            }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>            /**<a name="line.99"></a>
<FONT color="green">100</FONT>             *  Gets the nextStatesAt attribute of the BestList object<a name="line.100"></a>
<FONT color="green">101</FONT>             *<a name="line.101"></a>
<FONT color="green">102</FONT>             *@param  i  Description of the Parameter<a name="line.102"></a>
<FONT color="green">103</FONT>             *@return    The nextStatesAt value<a name="line.103"></a>
<FONT color="green">104</FONT>             */<a name="line.104"></a>
<FONT color="green">105</FONT>            public Vector getNextStatesAt(int i) {<a name="line.105"></a>
<FONT color="green">106</FONT>                    if (i > bestlist.size() - 1) {<a name="line.106"></a>
<FONT color="green">107</FONT>                            return (new Vector());<a name="line.107"></a>
<FONT color="green">108</FONT>                    }<a name="line.108"></a>
<FONT color="green">109</FONT>                    return (((BestListItem) (bestlist.elementAt(i))).getNextStates());<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>    <a name="line.112"></a>
<FONT color="green">113</FONT>            /**<a name="line.113"></a>
<FONT color="green">114</FONT>             *  Debugging method for printing the list of best matches to "System.out"<a name="line.114"></a>
<FONT color="green">115</FONT>             */<a name="line.115"></a>
<FONT color="green">116</FONT>            public void print() {<a name="line.116"></a>
<FONT color="green">117</FONT>                    int i;<a name="line.117"></a>
<FONT color="green">118</FONT>                    Stack path;<a name="line.118"></a>
<FONT color="green">119</FONT>    <a name="line.119"></a>
<FONT color="green">120</FONT>                    System.out.println("Printing list of matched states");<a name="line.120"></a>
<FONT color="green">121</FONT>                    for (i = 0; i &lt; bestlist.size(); i++) {<a name="line.121"></a>
<FONT color="green">122</FONT>                            System.out.print(((BestListItem) bestlist.elementAt(i)).getScore() + " ");<a name="line.122"></a>
<FONT color="green">123</FONT>                            path = ((BestListItem) bestlist.elementAt(i)).getStateReference();<a name="line.123"></a>
<FONT color="green">124</FONT>                            System.out.println(path.peek());<a name="line.124"></a>
<FONT color="green">125</FONT>                    }<a name="line.125"></a>
<FONT color="green">126</FONT>            }<a name="line.126"></a>
<FONT color="green">127</FONT>    }<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>




























































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